Incredible Caverns Beneath NYC

East Side Access Project

Progress continues on the East Side Access project as of February 12, 2013. This photo shows work on tunnels leading into caverns underneath Grand Central Terminal that will house a future concourse for arriving and departing Long Island Rail Road trains. Photo: Metropolitan Transportation Authority / Patrick Cashin.

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East Side Access...The Metropolitan Transportation Authority has released new images of its $8B East Side Access project, which is digging massive tunnels beneath NYC to connect the Long Island Railroad to Grand Central Terminal. Flip through to see sights of amazing engineering that look like they'd be at home in a science fiction film. Photo: Metropolitan Transportation Authority / Patrick Cashin.

East Side Access...Progress continues on the East Side Access project as of February 12, 2013. This photo shows work on tunnels leading into caverns underneath Grand Central Terminal that will house a future concourse for arriving and departing Long Island Rail Road trains. Photo: Metropolitan Transportation Authority / Patrick Cashin.

East Side Access...Progress continues on the East Side Access project as of February 12, 2013. This photo shows work on the caverns underneath Grand Central Terminal that will house a future concourse for arriving and departing Long Island Rail Road trains. Eight tunnels will allow trains to reach four platforms in two adjacent caverns. Photo: Metropolitan Transportation Authority / Patrick Cashin.

East Side Access...Progress continues on the East Side Access project as of February 12, 2013. This photo shows work on the caverns underneath Grand Central Terminal that will house a future concourse for arriving and departing Long Island Rail Road trains. Eight tunnels will allow trains to reach four platforms in two adjacent caverns. Photo: Metropolitan Transportation Authority / Patrick Cashin.

East Side Access...Progress continues on the East Side Access project as of February 12, 2013. This photo shows work on tunnels leading into caverns underneath Grand Central Terminal that will house a future concourse for arriving and departing Long Island Rail Road trains. Photo: Metropolitan Transportation Authority / Patrick Cashin.

East Side Access...Progress continues on the East Side Access project as of February 12, 2013. This photo shows work on the caverns underneath Grand Central Terminal that will house a future concourse for arriving and departing Long Island Rail Road trains. Photo: Metropolitan Transportation Authority / Patrick Cashin.

East Side Access...Progress continues on the East Side Access project as of February 12, 2013. This photo shows work on the caverns underneath Grand Central Terminal that will house a future concourse for arriving and departing Long Island Rail Road trains. Photo: Metropolitan Transportation Authority / Patrick Cashin.

East Side Access...Progress continues on the East Side Access project as of February 12, 2013. This photo shows work on the caverns underneath Grand Central Terminal that will house a future concourse for arriving and departing Long Island Rail Road trains. Photo: Metropolitan Transportation Authority / Patrick Cashin.

East Side Access...Progress continues on the East Side Access project as of February 12, 2013. This photo shows work on the caverns underneath Grand Central Terminal that will house a future concourse for arriving and departing Long Island Rail Road trains. Eight tunnels will allow trains to reach four platforms in two adjacent caverns. Photo: Metropolitan Transportation Authority / Patrick Cashin.

East Side Access...Progress continues on the East Side Access project as of February 12, 2013. This photo shows work on tunnels leading into caverns underneath Grand Central Terminal that will house a future concourse for arriving and departing Long Island Rail Road trains. Photo: Metropolitan Transportation Authority / Patrick Cashin.

East Side Access...Progress continues on the East Side Access project as of February 12, 2013. This photo shows work on tunnels leading into caverns underneath Grand Central Terminal that will house a future concourse for arriving and departing Long Island Rail Road trains. Photo: Metropolitan Transportation Authority / Patrick Cashin.

East Side Access...Progress continues on the East Side Access project as of February 12, 2013. This photo shows work on the caverns underneath Grand Central Terminal that will house a future concourse for arriving and departing Long Island Rail Road trains. Photo: Metropolitan Transportation Authority / Patrick Cashin.

East Side Access...Progress continues on the East Side Access project as of February 12, 2013. This photo shows work on the caverns underneath Grand Central Terminal that will house a future concourse for arriving and departing Long Island Rail Road trains. Photo: Metropolitan Transportation Authority / Patrick Cashin.

East Side Access...Progress continues on the East Side Access project as of February 12, 2013. This photo shows work on the caverns underneath Grand Central Terminal that will house a future concourse for arriving and departing Long Island Rail Road trains. Photo: Metropolitan Transportation Authority / Patrick Cashin.

East Side Access...Progress continues on the East Side Access project as of February 12, 2013. This photo shows work on the caverns underneath Grand Central Terminal that will house a future concourse for arriving and departing Long Island Rail Road trains. Photo: Metropolitan Transportation Authority / Patrick Cashin.